Home / 16,139.40-24,187.62-14,159.76

Finding the Fourth Proportional to 16,139.40, 24,187.62 and 14,159.76

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Solution

The fourth proportional to 16,139.40, 24,187.62 and 14,159.76 is: 21,220.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,139.40 : 24,187.62 = 14,159.76 : x
  2. Step 2: Convert to fraction form
    16,139.40/24,187.62 = 14,159.76/x
  3. Step 3: Cross multiply
    16,139.40x = 24,187.62 × 14,159.76
  4. Step 4: Simplify right side
    16,139.40x = 342,490,894.17
  5. Step 5: Solve for x
    x = 342,490,894.17/16,139.40
  6. Step 6: Final answer
    x = 21,220.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.